Analysis

  • max time kernel
    0s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 01:12

General

  • Target

    1f921bfe6ea42affbbd69e4ceb9a6848.exe

  • Size

    209KB

  • MD5

    1f921bfe6ea42affbbd69e4ceb9a6848

  • SHA1

    3c8090374c41e59436eee0dea5f6262da82f2ac3

  • SHA256

    1d47cd3f713612b8de7c89e8aae0a367d8b2ee850f73f6d7031ff74d50d45aaa

  • SHA512

    2580c987bae14439f79ce2bd43d26d21d97ad7094bcf85f4fb4885fff95bbc64e84892b83d28a68cbbf719e2d2fd6f1803354b0144b3e3fde34233835243f6b1

  • SSDEEP

    3072:Gl/Oe4en/0bnjprqPZt/7OviOqUt0vYknjtoEQcida3ib5xCBzNH5y:GlH400npmniixAwoEMw3wcNZy

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f921bfe6ea42affbbd69e4ceb9a6848.exe
    "C:\Users\Admin\AppData\Local\Temp\1f921bfe6ea42affbbd69e4ceb9a6848.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3E61.tmp\vir.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:828
  • C:\Windows\SysWOW64\calc.exe
    CALC.EXE
    1⤵
      PID:3184
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
        PID:1112
      • C:\Windows\SysWOW64\calc.exe
        CALC.EXE
        1⤵
          PID:3592
        • C:\Windows\system32\OpenWith.exe
          C:\Windows\system32\OpenWith.exe -Embedding
          1⤵
            PID:3464
          • C:\Users\Admin\AppData\Local\Temp\3EAF.tmp\mpress.exe
            "C:\Users\Admin\AppData\Local\Temp\3EAF.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe3EB0.tmp"
            1⤵
            • Executes dropped EXE
            PID:1568
          • C:\Users\Admin\AppData\Local\Temp\u.dll
            u.dll -bat vir.bat -save 1f921bfe6ea42affbbd69e4ceb9a6848.exe.com -include s.dll -overwrite -nodelete
            1⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3276

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\3E61.tmp\vir.bat

            Filesize

            1KB

            MD5

            45c1be47a0a104832ca305c8c4a353d3

            SHA1

            8af0d273f99d3d1db84661eb60565516a3a2b00f

            SHA256

            312f39c09658543bd65423d621c5cc611d8000e3b832f36ae88d2d364049f664

            SHA512

            63517963547fdd035841965eb80f113764a591ced2a64d1b4e0691b038df6cbdf9512fc45488cefef288ce8c933d26fa53776b8c84db926e77e5fd6bf0f99af9

          • memory/1108-0-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/1108-1-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/1108-71-0x0000000000400000-0x00000000004BF000-memory.dmp

            Filesize

            764KB

          • memory/1568-57-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB

          • memory/1568-63-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB